Start by preparing your veggies: very thinly slice the radishes and carrots (a good mandoline makes this job easier), chop the green onions and cilantro.
Add them all into a large bowl.
In a small jar, add all of your dressing ingredients and vigorously shake to emulsify. Or whisk them really well in a small bowl.
Pour your dressing over your prepared veggies and toss well to combine. Cover and refrigerate for at least 1 hour up to overnight.
Enjoy!